{"id":874,"date":"2025-07-30T08:52:40","date_gmt":"2025-07-30T06:52:40","guid":{"rendered":"https:\/\/powermining.fi\/?page_id=874"},"modified":"2025-09-29T09:03:32","modified_gmt":"2025-09-29T07:03:32","slug":"tunnelin-louhinta-ja-poraus","status":"publish","type":"page","link":"https:\/\/powermining.fi\/en\/palvelut\/tunnelin-louhinta-ja-poraus\/","title":{"rendered":"Tunnel Excavation and Drilling"},"content":{"rendered":"

Urban infrastructure projects:<\/b> We\u2019re used to working in demanding urban infrastructure environments, such as city centers, groundwater areas, and hospital sites. <\/span>These projects require precision, and we have extensive experience in jobs where controlling vibration, dust, and air overpressure is critical.<\/span>
\n<\/span><\/p>\n

Mining construction:<\/b> We carry out, for example, full-scope mining contracts, production blasting, and mine development drifting.<\/span><\/p>\n

Excavation services:\u00a0<\/span><\/h2>\n

We provide all excavation and drilling work related to underground rock construction, excluding diamond drilling. Typical excavation projects include:<\/span><\/p>\n

    \n
  • Tunnel profiles of all sizes in infrastructure projects, from tight technical spaces to large cavern and hall profiles<\/span><\/span><\/li>\n
  • Widening and raising excavations in rehabilitation projects<\/span>
    \n<\/span><\/li>\n
  • Production blasting and mine development drifting in mines<\/span>
    \n<\/span><\/li>\n
  • Shafts<\/span><\/li>\n<\/ul>\n

    Methods and techniques<\/span><\/h2>\n

    The method is always selected to suit the site. We use both blasting and non blasting approaches, including:<\/span><\/p>\n

      \n
    • Longhole drilling and the Alimak method<\/b>
      \n<\/span><\/li>\n
    • Electronic detonators<\/b> in vibration sensitive areas<\/span>
      \n<\/span><\/li>\n
    • Non-explosive excavation by rock splitting<\/b>
      \n<\/span><\/li>\n
    • Wire sawing and pre drilling <\/b>before excavation<\/li>\n<\/ul>\n

      Safety and environmental control<\/span><\/h2>\n

      Especially in urban infrastructure and rehabilitation projects, taking the surrounding environment into account is essential in excavation work. We pay particular attention to:<\/span><\/p>\n

        \n
      • Vibration sensitivity and vibration monitoring<\/span><\/li>\n
      • Protective measures required for excavation, such as blast walls, matting, dust tight sealing, and air pressure control\u00a0<\/span><\/li>\n
      • Dust management and minimizing the site\u2019s environmental impact\u00a0<\/span><\/li>\n<\/ul>\n

        Take excavation requirements into account early<\/span><\/h2>\n

        It is worth involving a tunneling contractor\u2019s expertise already in the planning phase of the project. Especially in demanding rehabilitation sites, contact us early. We are happy to share our view on the best way to deliver the job.<\/span><\/p>","protected":false},"excerpt":{"rendered":"

        Mining, rock support, scaling and loading. We engage in all phases of rock construction.<\/p>","protected":false},"author":5,"featured_media":162,"parent":89,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-874","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/powermining.fi\/en\/wp-json\/wp\/v2\/pages\/874","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/powermining.fi\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/powermining.fi\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/powermining.fi\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/powermining.fi\/en\/wp-json\/wp\/v2\/comments?post=874"}],"version-history":[{"count":12,"href":"https:\/\/powermining.fi\/en\/wp-json\/wp\/v2\/pages\/874\/revisions"}],"predecessor-version":[{"id":940,"href":"https:\/\/powermining.fi\/en\/wp-json\/wp\/v2\/pages\/874\/revisions\/940"}],"up":[{"embeddable":true,"href":"https:\/\/powermining.fi\/en\/wp-json\/wp\/v2\/pages\/89"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/powermining.fi\/en\/wp-json\/wp\/v2\/media\/162"}],"wp:attachment":[{"href":"https:\/\/powermining.fi\/en\/wp-json\/wp\/v2\/media?parent=874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}